Combine harvester concave threshing bar



FIG. 1 illustrates a left or right side view for one non-limiting exemplary embodiment of a combine harvester concave threshing bar.

FIG. 2 illustrates a top view for the combine harvester concave threshing bar.

FIG. 3. illustrates a bottom view for the combine harvester concave threshing bar.

FIG. 4 illustrates a perspective view for the combine harvester concave threshing bar; and,

FIG. 5 illustrates another perspective view for the combine harvester concave threshing bar.

The broken lines in the drawings are included for the purpose of illustrating environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a combine harvester concave threshing bar, as shown and described. 